Merge pull request #228 from fdeberle/announcements

Sort announcements by date ascending
member returns avatar url
it displays avatar on the member page
Merge pull request #229 from dpolivaev/master

It displays avatars from gravatar on the member profile page
Minor changes in gravatar image
Merge pull request #230 from leider/master

minor change in gravatar display
rename variables
Log mail import errors on the console
refactor: make intention of code clearer
Check for invalid message ids during import
use new Error() for reporting error to callback
Switch from CSS to SCSS (Compass)
Homepage now uses a slider which supports swipe gestures on touch devices
Make test work again
refactor importMails
do not import mail sender address
Display member first and last name from profile in mails
Merge branch 'master' of git://github.com/softwerkskammer/NeuePlattform-Implementierung
rename function
Merge pull request #231 from dpolivaev/master

refactoring and more contract checks